@charset "utf-8";
*{margin: 0px;padding: 0px;text-decoration: none;list-style: none;background: white;}
#head2{width:100%;height:104px;line-height: 104px;/*position: fixed;*/background: white;
       border-bottom: solid 5px red;}
#head2 img{float: left;margin-left: 50px;}
#head2 ul{height: 30px;top: 50%;}
#head2 ul li{float: left;margin-left: 30px;}
#head2 ul li a{color: black;font-size: 15px;}
#head2 ul li a.red{color: red;}
#clear3{clear: both;}
.banner{
    width: 1200px;
    height: 450px;
    border: 1px solid #ccc;
    margin: 0 180px;
    position: relative;
    overflow: hidden;
}
/*图片的初步设置后面的动态内容会在js中实现*/
.img{
    width:1200px;
    height:450px;
    position: absolute;
    top: 0;
    left: 0;
}
/*让每张图片向左浮动横向排列*/
.img li{
    float: left;
}
/*圆点部分的设计*/
.num{
    position: absolute;
    bottom: 5px;
    width: 130px;
    text-align: center;
    border-radius: 45px;
    margin: 0 450px;
}
/*圆点设计*/
.num li{
    width: 10px;
    height: 10px;
    background:rgba(0,0,0,0.5);
    border-radius: 100%;
    display: inline-block;
    margin: 0 5px;
    cursor: pointer;
}
/*按钮部分初始不可见*/
.btn{
    display: none;
}
/*按钮形状设计*/
.btn span{
    display: block;
    width: 30px;
    height: 50px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 40px;
    line-height: 50px;
    text-align: center;
    cursor:pointer;
}
/*上一个设计样式*/
.btn .prev{
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -20px;
}
/*下一个设计样式*/
.btn .next{
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -20px;
}
/*对按钮动态呈现的变换进行类选择器的设计为js代码部分进行铺垫*/
.num .active{
}
.hide{
    display: none;
}
#buy{height: 900px;width:1300px;margin: 30px auto;}
#buy dl{float: left;display: block;margin: 20px 10px;}
#buy dl.b{float: left;display: block;}
#buy dl.b dd{margin-left: 5px; /*line-height: 40px;*/*/}
#buy dl.b dd a{color:red; font-size: 14px;}
#buy dl.b dd a.yanse{color:#333; font-size: 14px;}
#buy dl.b dd span{font-size: 20px;text-align: center;margin-left: 30px;color: red;}
